Bug 1715264 - Remove annotations for browser_sessionHistory.js, r=farre

Differential Revision: https://phabricator.services.mozilla.com/D117231

browser/components/sessionstore/test/browser.ini

@@ -154,10 +154,6 @@ skip-if = true # Bug 1646894
 skip-if = !fission
 [browser_scrollPositionsReaderMode.js]
 [browser_sessionHistory.js]
-skip-if =
-  tsan # Bug 1651907, highly frequent on TSan
-  fission && os == "win" # Bug 1713900 - new Fission platform triage
-  os == 'linux' && !debug #Bug 1713975
 support-files =
   file_sessionHistory_hashchange.html
 [browser_sessionStorage.js]